Polaris Outlaw 500, Service Manual, Page: 86 / 202

3.39
ENGINE
3
Valve Inspection
1. Remove all carbon from valve with a soft wire wheel.
2. Check valve face for runout, pitting, and burned spots. To
check for bent valve stems, mount the valve in “V” blocks
and use a dial indicator.
3. Check end of valve stem for flaring, pitting, wear or damage
(A).
4. Inspect split keeper groove for wear or flaring of the keeper
seat area (B).
NOTE: The valves cannot be re–faced or end
ground. Valves must be replaced if worn, bent, or
damaged.
5. Measure diameter of valve stem with a micrometer in three
places and in two different directions (six measurements
total). Compare to specifications.
Valve Stem Diameter:
Intake: .2343- .2348
″
(5.950- 5.965 mm)
Exhaust: .2341- .2346
″
(5.945- 5.960 mm)
A
B
Measure valve stem in
several places